Merge pull request #4890

e790c37 Replace SCRIPT_VERIFY_NOCACHE by flag directly to checker (Pieter Wuille)
5c1e798 Make signature cache optional (Pieter Wuille)
c7829ea Abstract out SignatureChecker (Pieter Wuille)

1 files changed, 26 insertions, 0 deletions

diff --git a/src/script/sigcache.h b/src/script/sigcache.h
new file mode 100644
index 0000000000..9537efbd11
--- /dev/null
+++ b/src/script/sigcache.h
@@ -0,0 +1,26 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2013 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef H_BITCOIN_SCRIPT_SIGCACHE
+#define H_BITCOIN_SCRIPT_SIGCACHE
+
+#include "script/interpreter.h"
+
+#include <vector>
+
+class CPubKey;
+
+class CachingSignatureChecker : public SignatureChecker
+{
+private:
+    bool store;
+
+public:
+    CachingSignatureChecker(const CTransaction& txToIn, unsigned int nInIn, bool storeIn=true) : SignatureChecker(txToIn, nInIn), store(storeIn) {}
+
+    bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
+};
+
+#endif